Gouken, known for teaching Ken and Ryu, is making an appearance in Street Fighter IV as a computer-controlled challenger. Today, the game's official blog offers details on how to face off against this opponent, things like: do not use any continues, do not lose the first round in any fight and get a certain number of "perfects" depending on what the machine is set to. Easier said than done. But who said this was going to be easy?